US2711570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of impermanent patterns of compacted frozen mercury powder particles
Assignee: Mercast Corp
•
Filing: 1952-06-04
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Granted: 1955-06-28
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Expires: 1972-06-04
Abstract
No abstract record available.
Inventors
- 👤 Seymour J Sindeband
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:18
CPC Classifications
B; B22; B22C; B22C7/00; B22C7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
IN THE PROCESS FOR FORMING AN IMPERMANENT PATTERN OF FROZEN MERCURY FOR THE PREPARATION OF A PRECISION MOLD OF A SHAPED OBJECT TO BE CAST, THE PROCEDURE OF ATOMIZING LIQUID MERCURY WHICH IS NEAR ITS FREEZING TEMPERATURE INTO FINE ATOMIZED MERCURY PARTICLES, FREEZING THE SOATOMIZED LIQUID MERCURY PARTICLES INTO A MASS OF FROZEN MERCURY POWDER PARTICLES, AND THEREAFTER COMPACTING A MASS OF SAID FROZEN MERCURY POWDER PARTICLES IN A SHAPED CAVITY OF A COMPACTING DIE MAINTAINED BELOW THE FREEZING TEMPERATURE OF MERCURY SO AS TO FORM OUT OF SAID MASS OF FROZEN MERCURY POWDER PARTICLES A SHAPED FROZEN MERCURY PATTERN OF THE OBJECT TO THE CAST.
Claim 2
Dependent Claim
106 words
IN THE PROCESS FOR FORMING AN IMPERMANENT PATTERN OF FROZEN MERCURY FOR THE PREPARATION OF A PRECISION MOLD OF A SHAPED OBJECT TO BE CAST, THE PROCEDURE OF ATOMIZING LIQUID MERCURY WHICH IS NEAR ITS FREEZING TEMPERATURE INTO FINE ATOMIZED MERCURY PARTICLES, FREEZING THE SOATOMIZED LIQUID MERCURY PARTICLES INTO A MASS OF FROZEN MERCURY POWDER PARTICLES, AND THEREAFTER COMPACTING A MASS OF SAID FROZEN MERCURY POWDER PARTICLES IN A SHAPED CAVITY OF A COMPACTING DIE MAINTAINED BELOW THE FREEZING TEMPERATURE OF MERCURY SO AS TO FORM OUT OF SAID MASS OF FROZEN MERCURY POWDER PARTICLES A SHAPED FROZEN MERCURY PATTERN OF THE OBJECT TO THE CAST.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |